We’ve learned a lot of good advice, but have you ever wondered about the worst advice the mentors received?

Ed Coan, a weightlifting record-setter, warns against adopting new and trendy techniques. Trust the tried-and-true fundamentals that have stood the test of time.

Mark Bell, founder of Super Training Gym, advises against taking on too much. Like a weightlifter pushing too hard, overdoing it can end your career. Focus on working within your zone and what’s optimal for you.

Avoid advice that might reduce the quality of your work. In creative industries, the hype about building your brand on social media ranks below focusing on your craft, according to Steven Pressfield, a Hollywood screenwriter.

True satisfaction comes from deep work over time, not superficial rewards on social media.

Cancer researcher Lewis Cantley believes there’s a trend of bad advice in science. He encourages teamwork and sharing findings for more progress.

Ray Dalio warns against blindly following teammates in investing, as flooding markets can lead to overpaying.

Industry experts’ advice may not always be sound. Scott Belsky, cofounder of Behance, believes outsiders like Airbnb and Uber revolutionize industries by breaking established rules.